59 



164. Leucopternis schistacea schistacea (Sundev.) E. Peru 



(Efv. K. Vet. Akad. Forh. 1849, p. 132. Colombia, 



[Brazil.] C. and N.E. 



iSlate-coloured Hawk. Brazil. 



lG4a. 



Smaller : Uniformleadengi'ey; wings and tail 

 black, latter with a median bar of ashy- 

 white ; under wing-coverts white and tibial 

 ])lumes barred Avith same. 

 Leucojyternis schistacea plumbea Salv., Ibis, 

 1872, p. 240, pi. viii. [Ecuador.] 

 Plumbeous Hawk. 



Ecuador, 

 W. Colombia 



General plumage white ; head streaked witli 

 black, neck all round white ; mantle and 

 wing-coverts black varied with white ; quills 

 black ; tail white with broad sub-terminal 

 black band. 

 1C)~). LpHcopternis albirollis alhicoJIis (Lath.), Tnd. 

 Oru. 1, p. 36 (1790). [( 'ai/eiim'.] 

 White-collarod HaAvlv. 



Similar, l)ut rathei- smaller and with head 

 jilumbeous ; upper parts plumbeous instead 

 of black ; black sub-terminal band on tail 

 narrower. 

 165a. Leucopternis albicollis occidentalis Salv. 

 Ibis. 1876, p. 496. [Puna I.] 

 Puna White-collared Hawk. 



Guiana, 

 Trinidad, 

 Venezuela, 

 N. Brazil. 



W. Ecuador. 



166. 



Larger ; above and ])e]ow white ; tail with 



broad sub-terminal black band ; greater 



wing-coverts and secondaries black tip])ed 



with white ; primaries black. 



Leucopternis ghiesbrecJiti, Du Bus. Es((. S. Mexico 



Orn. pi. 1 (1845). [S. Mexico.] to 



Ghiesbrecht's Hawk. Panama. 



16 



Above blackish-slate, most of feathers tipped 

 or barred with white ; head, neck and under- 

 ]>arts white ; basal half of tail black, ter- 

 minal white. 



Leucopternis palliata (Pelz.), Sitz. Akad. 

 Wien. xliv., p. 11. (1861, ex Natterer.) 

 [Yjianema.] 

 Mantled Hawk. 



S. Brazil. 



